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Changeset 4016

Timestamp:

08/24/07 00:26:26 (1 year ago)

Author:

hverkuil

Message:

Add ivtv-fb-colormap-test

Files:

r4012	r4016
5	5	mpeg-read-test mpeg-freq-test mpeg-read-sleep-test \
6	6	mpeg-enc-stop-start-test ivtv-yuv-dma-test \
7		ivtv-osd-dma-test
	7	ivtv-osd-dma-test ivtv-fb-colormap-test
8	8
9	9	CFLAGS = -I../driver -I../utils -D_GNU_SOURCE -O2 -Wall

r4011	r4016
7	7	#include <linux/videodev2.h>
8	8	#include <linux/fb.h>
	9	#include <linux/matroxfb.h>
	10	#include "media/ivtv-fb.h"
	11
	12	#define W 720
	13	#define H 576
	14
	15	static unsigned char osd[720*576];
9	16
10	17	int main(int argc, char **argv)
…	…
13	20	__u16 red[256], green[256], blue[256], transp[256];
14	21	struct fb_cmap cmap;
	22	struct fb_var_screeninfo vi;
	23	struct ivtvfb_dma_frame df;
15	24	int fd;
16	25	int i;
…	…
24	33	exit(-1);
25	34	}
	35
	36	ioctl(fd, FBIOGET_VSCREENINFO, &vi);
	37	vi.nonstd = 0;
	38	vi.bits_per_pixel = 8;
	39	vi.xres = W;
	40	vi.yres = H;
	41	vi.xres_virtual = W;
	42	vi.yres_virtual = H;
	43	vi.xoffset = 0;
	44	vi.yoffset = 0;
	45	ioctl(fd, FBIOPUT_VSCREENINFO, &vi);
26	46
27	47	cmap.red = red;
…	…
38	58	}
39	59
	60	memset(osd, 0x10, sizeof(osd));
	61	df.source = osd;
	62	df.dest_offset = 0;
	63	df.count = sizeof(osd);
	64	ioctl(fd, IVTVFB_IOC_DMA_FRAME, &df);
	65
	66	cmap.transp[0x10] = 0xffff;
	67	// go from black to white (opaque)
	68	for (i = 0; i < 256; i++) {
	69	cmap.red[0x10] = i << 8;
	70	cmap.blue[0x10] = i << 8;
	71	cmap.green[0x10] = i << 8;
	72	ioctl(fd, FBIOPUTCMAP, &cmap);
	73	ioctl(fd, FBIO_WAITFORVSYNC, 0);
	74	}
	75	// go from opaque to transparent
	76	for (i = 255; i >= 0; i--) {
	77	cmap.transp[0x10] = i << 8;
	78	ioctl(fd, FBIOPUTCMAP, &cmap);
	79	ioctl(fd, FBIO_WAITFORVSYNC, 0);
	80	}
	81
40	82	return 0;
41	83	}